agent: A factor, such as a microorganism, chemical substance, or form of radiation, whose presence, excessive presence, or (in deficiency diseases) relative absence is essential for the occurrence of a disease. age-specific mortality rate: A mortality rate limited to a particular age group. The numerator is the number of deaths in that age group; the denominator is the number of persons in that age group in the population.
Sleeping Pills and Memory Loss. Elderly people have more trouble sleeping than younger folks. Some causes include waking to urinate, pain due to arthritis or other inflammations and lack of exercise. Sleeping pills can help, but they have a dark side. They can cause memory loss.
Among the drugs you are taking Cymbalta causes memory loss, Pamelor, cyclobenzaprine, nortriptyline, hydrocodone and promethazine cause confusion, Tramadol causes hallucination and together all these drugs can affect your memory. You need a serious revision of your prescription.